About the Number

29721090

29721089 ← → 29721091

2進数表記:1110001011000001000000010

漢数字表記:二千九百七十二万千九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 141529 1

素因数の和:141546
約数の個数: 32
約数和(自身を含む): 81521280
約数和(自身を除く): 51800190

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 141529, 283058, 424587, 707645, 849174, 990703, 1415290, 1981406, 2122935, 2972109, 4245870, 4953515, 5944218, 9907030, 14860545, 29721090]

約数ペア:
[(1, 29721090), (2, 14860545), (3, 9907030), (5, 5944218), (6, 4953515), (7, 4245870), (10, 2972109), (14, 2122935), (15, 1981406), (21, 1415290), (30, 990703), (35, 849174), (42, 707645), (70, 424587), (105, 283058), (210, 141529)]

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